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Title:
WATER DISCHARGE HEAD EQUIPPED WITH PURIFICATION FUNCTION, WATER PURIFICATION CARTRIDGE, AND WATER FAUCET DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/138591
Kind Code:
A1
Abstract:
[Problem] To provide a water purification cartridge which is capable of preventing false recognition of a discharge of water and has excellent reliability. [Solution] This water discharge head 8 has: a restriction member RG1 which can be transitioned between a first state J1 and a second state J2, and which restricts switching from raw water to purified water by a switching mechanism in the first state, and permits switching from raw water to purified water by the switching mechanism in the second state; a water purification cartridge provided with a restriction release unit DR1 which transitions the restriction member RG1 from the first state J1 to the second state J2, and a water-impermeable tip closed outer surface 196; and a water purification cartridge mounting part. The tip closed outer surface 196 faces a raw water flow passage WG. The restriction member RG1 is arranged in a purified water flow passage WJ.

Inventors:
TAKAGI Toshio (Riviere Prima Classe 801, 3-1 Adachi 2-chome, Kokurakita-k, Kitakyushu-City Fukuoka 42, 〒8020042, JP)
TAKAGI Jutaro (Riviere Prima Classe 801, 3-1 Adachi 2-chome, Kokurakita-k, Kitakyushu-City Fukuoka 42, 〒8020042, JP)
SHIRATAKE Fumitaka (1-45-308, Kirigaoka 2-chome Kokurakita-k, Kitakyushu-City Fukuoka 52, 〒8020052, JP)
Application Number:
JP2018/015525
Publication Date:
July 18, 2019
Filing Date:
April 13, 2018
Export Citation:
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Assignee:
KOTOBUKI TSUSHOU CO., LTD. (4-1 Ishidaminami 2-chome, Kokuraminami-ku Kitakyushu-Cit, Fukuoka 36, 〒8020836, JP)
International Classes:
E03C1/10
Foreign References:
JP2012052395A2012-03-15
JP2004176964A2004-06-24
JPH05168827A1993-07-02
Attorney, Agent or Firm:
SUMITOMO Norio (Kreis International Patent Law Firm, 6F North Kyoshin Bldg., 1-6, Motomachi-dori 6-chome, Chuo-ku, Kobe-sh, Hyogo 22, 〒6500022, JP)
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